NDLI: The effects of destructive interference and wasted transmissions on the uniform-traffic capacity of non-bus-oriented single-hop interconnections

Content Provider	IEEE Xplore Digital Library
Author	Birk, Y. Bloch, N.
Copyright Year	1993
Abstract	The most prominent single-hop interconnection (SHI) topology is the single broadcast channel, or bus, which is used in local area networks (LANs) such as Ethernet. The uniform-traffic capacity of switchless, non-bus-oriented, fiber-optic SHIs among N stations, each equipped with a small number of transmitters and receivers, can be as high as /spl Theta/(log/sub 2/N) concurrent transmissions on a single wavelength with round-robin scheduling in a time-slotted system. However, their capacity with the slotted ALOHA access scheme does not increase with N. (The capacity of bus-oriented interconnections, in contrast, varies across time-slotted access schemes by, at most, a factor of e.) This paper quantifies the contribution of several factors to capacity. Merely avoiding destructive interference with ongoing receptions contributes, at most, a factor of e over slotted ALOHA, the same as in bus-oriented interconnections. For an interconnection among two-transmitter, single-receiver stations, whose capacity is log/sub 2/N with global scheduling and 2/e with slotted ALOHA, also avoiding transmissions to blocked receivers increases capacity to, at most, log/sub 2/log/sub 2/N. These results suggest that the added complexity of non-bus-oriented SHIs may be warranted only if they are operated in ways that permit the selection of "good" combinations of (source, destination) pairs for concurrent transmission, and further research should focus on those.
Sponsorship	IEEE Computer Society IEEE Communications Society Association for Computing Machinery (ACM)
Starting Page	442
Ending Page	448
Page Count	7
File Size	923218
File Format	PDF
ISSN	10636692
Volume Number	4
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference LAN interconnection Optical transmitters Optical fiber LAN Fabrics Neodymium Chromium Job shop scheduling Optical fiber networks Telecommunication network topology
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering Computer Science Applications Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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